EFFECT OF WIND LOAD ON TALL STRUCTURE IN DIFFERENT TERRAIN AND ASPECT RATIO

Pratik Pralhadrao Ajgar, Vishal Gajghate

Abstract


Wind and Tall Structure are same side of a coin. More the structure is tall more will be wind load acting over it, This paper deals with effect of wind load over a structure in different terrain category along with different aspect ratio in terms of displacement. As wind load is most susceptible and dominant load on tall structure. As we know wind blows with high speed in flat terrain and slow in rough terrain as flat terrain don’t have obstruction to stop or to retain the flow of wind however rough terrain provides such kind of obstruction resulting into lesser speed of wind. More over wind terrain category are also explained in this paper as per IS Code 875 part-3. The Models were made and analyzed in ETABS-2015 package. G+10, G+15, G+20 models were taken for study and aspect ratio 0.5, 1.0, 1.5, 2.0 are considered. The plots are been drawn for every displacement in terrain category and for every aspect ratio. This paper gives displacement of every storey in different terrain category along with different aspect ratio. This paper gives good package of information about variation of displacement in different terrain and aspect ratio

Keywords


Wind Pressure, TC-1, TC-2, TC-3, TC-4, Displacement, Aspect Ratio

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References


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